24809712872939 has 2 divisors, whose sum is σ = 24809712872940. Its totient is φ = 24809712872938.

The previous prime is 24809712872899. The next prime is 24809712872957. The reversal of 24809712872939 is 93927821790842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24809712872939 is a prime.

It is not a weakly prime, because it can be changed into another prime (24809712872239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12404856436469 + 12404856436470.

It is an arithmetic number, because the mean of its divisors is an integer number (12404856436470).

Almost surely, 2^{24809712872939} is an apocalyptic number.

24809712872939 is a deficient number, since it is larger than the sum of its proper divisors (1).

24809712872939 is an equidigital number, since it uses as much as digits as its factorization.

24809712872939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 24809712872939 in words is "twenty-four trillion, eight hundred nine billion, seven hundred twelve million, eight hundred seventy-two thousand, nine hundred thirty-nine".